Architecture is the same on both: Blackwell. NVIDIA GeForce RTX 5090 leads on Memory: 32 GB against 16 GB. NVIDIA GeForce RTX 5080 leads on Boost frequency: 2617 MHz against 2410 MHz. NVIDIA GeForce RTX 5080 leads on Power Consumption: 360 W against 575 W. Local AI (comfortable): NVIDIA GeForce RTX 5080 Qwen3.5 9B, NVIDIA GeForce RTX 5090 Qwen3.5 27B.
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
| NVIDIANVIDIA GeForce RTX 5080No reviews yet | NVIDIANVIDIA GeForce RTX 5090No reviews yet | |
|---|---|---|
| Key Differences | ||
| Architecture | Blackwell | Blackwell |
| Memory | 16 GB | 32 GB |
| Boost frequency | 2617 MHz | 2410 MHz |
| Power Consumption | 360 W | 575 W |
| Local AI (comfortable) | Qwen3.5 9B | Qwen3.5 27B |
| Graphics Processor | ||
| Architecture | Blackwell | Blackwell |
| Processing Unit | 10752 | 21760 |
| Memory | ||
| Memory Size | 16 GB | 32 GB |
| Memory Type | GDDR7 | GDDR7 |
| Memory Bus | 256 bit | 512 bit |
| Frequency | ||
| Boost frequency | 2617 MHz | 2410 MHz |
| Power | ||
| Power Consumption | 360 W | 575 W |
NVIDIA GeForce RTX 5090 leads on 3 of 5 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.